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Finding the Fourth Proportional to 295,626.60, 442,856.70 and 176,945.40

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Solution

The fourth proportional to 295,626.60, 442,856.70 and 176,945.40 is: 265,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,626.60 : 442,856.70 = 176,945.40 : x
  2. Step 2: Convert to fraction form
    295,626.60/442,856.70 = 176,945.40/x
  3. Step 3: Cross multiply
    295,626.60x = 442,856.70 × 176,945.40
  4. Step 4: Simplify right side
    295,626.60x = 78,361,455,924.18
  5. Step 5: Solve for x
    x = 78,361,455,924.18/295,626.60
  6. Step 6: Final answer
    x = 265,069.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.